ISRC GBAYC8400642
Verified recording
GBAYC8400642 is “Mozart: Piano Sonata No. 7 in C Major, K. 309: III. Rondeau. Allegretto grazioso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xc5c0df80a3b769fe8f6fd33016af79d80c47d86e9ba6868b06836758ab2a3ab6 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8400642.
Recording identifiers
- ISRC
- GBAYC8400642
- Title
- Mozart: Piano Sonata No. 7 in C Major, K. 309: III. Rondeau. Allegretto grazioso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xc5c0df80a3b769fe8f6fd33016af79d80c47d86e9ba6868b06836758ab2a3ab6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9b12a922bcbf829bb75fa8a8c9e52f22812807db7e852ae26d4d5dae1df73548- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8400642
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mozart: Piano Sonata No. 7 in C Major, K. 309: III. Rondeau. Allegretto grazioso · Machine-readable JSON-LD